Vibrating device



FIG. 1 is a front elevation view of a vibrating device, embodying my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a vibrating device, as shown and described. 